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Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 226 · 40 questions
TalentJR

The fast method (Spot the trick): A 7, 8 or 9 in the ones place → round and fix. × 4, 8, 5, 50 or 15 → doubling or halving tricks. ÷ 5, 25 or 50 → double first. A percentage → start from 10%. Checking or estimating → nines or rounding.

NameDateTime takenScore ___ / 40
  1. 1.6 + 4 + 2 + 8 + 3 =
  2. 2.117 + 37 =
  3. 3.565 ÷ 5 =
  4. 4.₹75.85 − ₹15.15 =
  5. 5.1400 ÷ 25 =
  6. 6.48 × 15 =
  7. 7.65 + 37 =
  8. 8.9 × 15 =
  9. 9.26 × 8 =
  10. 10.Check with nines: 87 × 73 = 6351. Correct or wrong? (a) correct (b) wrong
  11. 11.3 + 2 + 8 + 5 =
  12. 12.Check with nines: 194 + 737 = 931. Correct or wrong? (a) correct (b) wrong
  13. 13.28 + 97 =
  14. 14.₹31.15 − ₹22.35 =
  15. 15.147 × 4 =
  16. 16.₹11.10 + ₹49.60 =
  17. 17.73 + 71 + 20 + 46 =
  18. 18.107 + 58 =
  19. 19.7 + 3 + 7 + 2 + 8 =
  20. 20.116 + 57 =
  21. 21.₹19.85 + ₹37.35 =
  22. 22.Check with nines: 974 + 513 = 1481. Correct or wrong? (a) wrong (b) correct
  23. 23.24 × 15 =
  24. 24.35 × 8 =
  25. 25.11 × 12 =
  26. 26.2 + 8 + 2 + 5 + 9 =
  27. 27.260 ÷ 5 =
  28. 28.545 − 69 =
  29. 29.12 × 15 =
  30. 30.1150 ÷ 50 =
  31. 31.12 × 5 =
  32. 32.26 × 50 =
  33. 33.₹32.10 − ₹10.85 =
  34. 34.2 + 4 + 9 + 1 =
  35. 35.10% of 260 =
  36. 36.62 × 5 =
  37. 37.470 + 79 =
  38. 38.31² =
  39. 39.1 + 6 + 8 + 5 + 5 =
  40. 40.155 + 29 =

Answer key

  1. 23
  2. 154
  3. 113
  4. 60.7
  5. 56
  6. 720
  7. 102
  8. 135
  9. 208
  10. correct
  11. 18
  12. correct
  13. 125
  14. 8.8
  15. 588
  16. 60.7
  17. 210
  18. 165
  19. 27
  20. 173
  21. 57.2
  22. wrong
  23. 360
  24. 280
  25. 132
  26. 26
  27. 52
  28. 476
  29. 180
  30. 23
  31. 60
  32. 1300
  33. 21.25
  34. 16
  35. 26
  36. 310
  37. 549
  38. 961
  39. 25
  40. 184

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